Information technology —
Computer graphics and image processing —
SEDRIS —
Part 3: Transmittal format binary encoding
This part of ISO/IEC 18023 defines a binary encoding technique that allows encoding DRM objects specified in part 1 of ISO/IEC 18023 according to the abstract syntax specified in part 2 of ISO/IEC 18023.
http://www.iso.ch/iso/en/ittf/PubliclyAvailableStandards/ISO_IEC_18023-3_Ed1.html